exclude :test_Rational_without_exception, "inconsistent case with three-arg 1, 0, opts, unfinished in initial 2.6 work, #6161"
exclude :test_conv, "needs investigation"
exclude :test_marshal, "needs investigation"
exclude :test_parse, "edge case parsing logic missing"
exclude :test_power_overflow, "consumes much time and memory on JVM"
exclude :test_ratsub, "needs investigation"
exclude :test_supp, "float precision or display issue"
